| 摘要 |
<P>PROBLEM TO BE SOLVED: To fix a heat radiating board to a lighting fixture by uniform force by a lens fixing holder, in a light emitting device having the lens fixing holder and the heat radiating board. <P>SOLUTION: This light emitting device has the heat radiating board 4 superior in heat radiating performance on the back face side of a light source, a light distribution control lens 3 and the lens fixing holder 2 on the front side of the light source, by using an LED for the light source 6. An installation hole 11 of the heat radiating board is a semicircular shape, and a peripheral edge part of this hole can be coveted with an installation piece of the lens fixing holder. The installation piece of the lens fixing holder is provided with a circular hole 22 opposed to the installation hole 11 of the heat radiating board in the vicinity of a tip part, and a projection part 12 is formed in the tip part so as to be opposed to a lower heat radiating board side surface. <P>COPYRIGHT: (C)2009,JPO&INPIT |
